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globa solar radiation
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The LSI pyranometer is mounted on Rwenzori station. It is an instrument to measure the global sun radiation (direct and diffuse) which reaches the terrestrial surface. With this instrument it is possible to measure not only the global radiation, but also the reflected sun radiation (albedometer) and the diffuse radiation by means of the occultation band. The solarimeter measures radiation values within 300 and 3000 nm. The element used to for the measurement is a thermopile whose external surface has been darkened with matte black paint C10 Nextel bearing a reflecting power < than 2% (e>0.98) in the spectral area of the sensor. Technical caractheristics: Spectral response (nm):300-3000 Impedance (ohm): 1000-1300 Operative temperature (°C): -40 +80 Bubble sensitivity (degree): 0.5 Radiometer sensitivity (µV/w/m2): 30-45 Max. irradiance W/m2: 2000 Weight: 1.0 kg